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Tropaeolin O sodium salt

indicator

DOWNLOAD MSDS (PDF)

Synonym: 4-([2,4-Dihydroxyphenyl]azo)benzenesulfonic acid sodium salt, Acid Orange 6, Chrysoin, Resorcinol yellow

  • CAS Number 547-57-9

  • Empirical Formula (Hill Notation) C12H9N2O5SNa

  • Molecular Weight 316.27

  •  Beilstein Registry Number 4173410

  •  Colour Index Number 14270

  •  EC Number 208-924-8

  •  MDL number MFCD00007499

  •  PubChem Substance ID 24859605

Tropaeolin O sodium salt indicator
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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Indicators, Titration, pH Indicators - Solids More...
grade   indicator
form   powder
ign. residue   (effective)
loss   ≤13% loss on drying, 105°C, 2h
color   beige-brown to orange
visual transition interval   11 - 13, yellow to orange
UV absorption   extinction 488-492 nm
abs.   extinction/ ≥0.5
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Description

General description

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Packaging

25 g in glass bottle

Price and Availability

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